:root{--bg:#f5f7fb;--surface:#ffffff;--ink:#0e1525;--muted:#5a6478;--line:#e1e6f0;--accent:#3b5bff;--link:#2f4ef0;--good:#0f8a5f}
@media (prefers-color-scheme:dark){:root{--bg:#0a0f1c;--surface:#121a2c;--ink:#e9eef8;--muted:#9aa5bc;--line:#253048;--accent:#4a68ff;--link:#a3b3ff;--good:#5fd6a4;color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 Inter,system-ui,-apple-system,"Segoe UI",sans-serif}
.page{max-width:760px;margin:0 auto;padding-block:24px 56px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
a{color:var(--link)}
.brand{font-weight:800;font-size:1.25rem;color:var(--ink);text-decoration:none}
h1{font-size:clamp(1.9rem,5vw,2.8rem);line-height:1.1;letter-spacing:-.03em;margin:26px 0 14px;text-wrap:balance}
h2{font-size:1.25rem;line-height:1.25;margin:0 0 8px;text-wrap:balance}
.page>h2{margin-top:28px}
p{margin:0 0 10px}
pre{background:var(--bg);padding:12px;border-radius:10px;overflow-x:auto;font:400 .9rem/1.5 ui-monospace,Menlo,Consolas,monospace}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;margin-top:16px;min-width:0}
.ctx{color:var(--muted)}
.answer{color:var(--good);font-weight:600}
.cta{display:inline-block;background:var(--accent);color:#fff;font-weight:600;padding:14px 20px;border-radius:12px;text-decoration:none;margin-top:18px}
.more{margin-top:32px;padding-top:16px;border-top:1px solid var(--line)}
.more ul{padding-left:20px;margin:6px 0 0}